19450104

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 50941440

約数和(自身を除く): 31491336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 47, 86, 94, 129, 141, 172, 188, 258, 282, 344, 376, 401, 516, 564, 802, 1032, 1128, 1203, 1604, 2021, 2406, 3208, 4042, 4812, 6063, 8084, 9624, 12126, 16168, 17243, 18847, 24252, 34486, 37694, 48504, 51729, 56541, 68972, 75388, 103458, 113082, 137944, 150776, 206916, 226164, 413832, 452328, 810421, 1620842, 2431263, 3241684, 4862526, 6483368, 9725052, 19450104]

約数ペア:

[(1, 19450104), (2, 9725052), (3, 6483368), (4, 4862526), (6, 3241684), (8, 2431263), (12, 1620842), (24, 810421), (43, 452328), (47, 413832), (86, 226164), (94, 206916), (129, 150776), (141, 137944), (172, 113082), (188, 103458), (258, 75388), (282, 68972), (344, 56541), (376, 51729), (401, 48504), (516, 37694), (564, 34486), (802, 24252), (1032, 18847), (1128, 17243), (1203, 16168), (1604, 12126), (2021, 9624), (2406, 8084), (3208, 6063), (4042, 4812)]